How is congestive heart failure defined?

How is congestive heart failure defined?

• A. The inability of the heart to supply sufficient blood flow to meet the body's needs
• B. An autoimmune disorder of the heart
• C. An inflammatory process of the pericardium
• D. A congenital valve defect

Answer: (A)

Congestive heart failure is defined by the heart’s inability to supply enough blood to meet the body’s metabolic needs. This reflects reduced forward flow or elevated filling pressures (or both), leading to insufficient tissue perfusion and fluid congestion. The result is symptoms like fatigue and dyspnea, along with signs such as edema and pulmonary congestion. The body tries to compensate with neurohormonal activation, which can temporarily maintain perfusion but often worsens congestion over time. While autoimmune heart disease, pericardial inflammation, or a congenital valve defect can contribute to heart failure, they describe separate conditions rather than the basic definition of congestive heart failure itself.

Congestive heart failure is defined by the heart’s inability to supply enough blood to meet the body’s metabolic needs. This reflects reduced forward flow or elevated filling pressures (or both), leading to insufficient tissue perfusion and fluid congestion. The result is symptoms like fatigue and dyspnea, along with signs such as edema and pulmonary congestion. The body tries to compensate with neurohormonal activation, which can temporarily maintain perfusion but often worsens congestion over time. While autoimmune heart disease, pericardial inflammation, or a congenital valve defect can contribute to heart failure, they describe separate conditions rather than the basic definition of congestive heart failure itself.